| 摘要 |
In an image coding apparatus 100 , a ROI setting unit 20 sets a ROI region in an image. An entropy coding unit 14 entropy-codes the image. A ROI information coding unit 24 encodes information for specifying the ROI region. A codestream generator 16 generates a codestream in a manner that the coded image and the coded information are explicitly included in the codestream. When a plurality of ROI regions are set in the image, the information may include a degree of priority.
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